December 2017
Beginner
624 pages
15h 38m
Korean
Content preview from Head First Python, 개정판 : 스스로 질문하며 답을 찾는 파이썬 학습서(Python 3)
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함수를 함수로
전달하기
함수에서 함수
반환하기
다양한 개수와 유형의
인자 처리하기
430 Chapter 10
인자 리스트
거의 완료했어요.
한 가지 주제만 더 배우면
장식자를 만드는 데
필요한 지식을 모두 익힐
수 있어요.
인자 리스트 받기
어떤 개수의 인자를 제공하더라도 모두 처리할 수 있는
myfunc
라는 함수를 만들어야
한다고 가정합시다. 예를 들어
myfunc
를 다음과 같이 호출하거나
myfunc(10)
또는 다음과 같이 호출하거나
myfunc()
아니면 다음과 같이 호출할 수 있어야 합니다.
myfunc(10, 20, 30, 40, 50, 60, 70)
인자가 몇 개인지 미리 알 수가 없는 상황이므로
myfunc
함수는 모든 수의 인자를 처리할
수 있어야 합니다.
위 예제에서 사용한 세 번의 호출을 각각의 함수로 정의하는 방법으로는 이 문제를 해결할
수 없습니다.
‘
과연 어떤 개수의 인자를 제공하더라도 모두 처리할 수 있는 함수를 만들 수
있을까?
’
라는 의문이 생깁니다.
*
를 이용해 임의 개수의 인자를 받을 수 있어요
파이썬에서는 함수가 임의 개수의 인자를 받을 수 있도록 특별한 표기법을
제공합니다(여기서
‘
임의 개수
’
란
‘
0
개 이상
’
의 인자를 의미합니다). 즉, 임의 개수를
의미하는
*
문자와 인자명(통상적으로
args
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.